<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="./js/jquery/jquery.min.js"></script>
</head>
<style>
    body,html{
        font-size: 12px;
        color: #000;
    }
    .content {
        width: 790px;
        height: 340px;
        margin: 0 auto;
        position: relative;
    }
    ul,li {
        list-style: none;
    }
    .number > li{
        float: left;
    }
    .clear {
        clear: both;
    }
    .chooseBut{
        top: 50%;
        width: 50px;
        height: 80px;
        position: absolute;
        background-color: rgba(0,0,0,0.2);
        color: #fff;
        font-size: 30px;
        line-height: 80px;
        text-align: center;
    }

    #left {
        left: 0;
    }

    #right {
        right: 0;
    }
    .number {
        position: absolute;
        bottom: 20%;
    }

</style>
<body>
<div class="content">
    <img src="./image/1.jpg">
    <ul class="number">
        <li>1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
        <li>5</li>
        <li>6</li>
        <li>7</li>
        <li>9</li>
        <li>10</li>
        <li class="clear"></li>
    </ul>
    <div id="left" class="chooseBut"><</div>
    <div id="right" class="chooseBut">></div>
</div>
<script>
    $(function () {

    })
</script>
</body>
</html>